AI代码解释 library(ggplot2)# 散点图plot1<-mr\_scatter\_plot(mr\_results1,mydata)plot1# 单个SNP森林图res\_single<-mr\_singlesnp(mydata,parameters=default\_parameters(),single\_method="mr\_wald\_ratio",all\_method=c("mr\_ivw",'mr\_two\_sample\_ml',"mr\_weighted\_median"))sign...
在IVW的假设中,我们认为这些SNP(也称IV)是没有多效性的,同时考虑到GWAS的结果多为表型标准化后做出来的,所以我们认为结局和暴露之间是正比例关系。因此,我们在使用IVW方法必须要保证这些SNP没有多效性,否则结果会有很大的偏倚。 在MR-Egger的假设中,我们考虑截距项的存在,并用它来评估多效性。如果该截距项和0...
2.4 结果可视化 library(ggplot2)# 散点图plot1 <- mr_scatter_plot(mr_results1, mydata) plot1# 单个SNP森林图res_single <- mr_singlesnp( mydata, parameters = default_parameters(), single_method = "mr_wald_ratio", all_method = c("mr_ivw", 'mr_two_sample_ml', "mr_weighted_median"...
mr_penalised_weighted_median Penalised weighted median FALSE FALSE mr_ivw Inverse variance weighted TRUE TRUE mr_ivw_radial IVW radial FALSE TRUE mr_ivw_mre Inverse variance weighted (multiplicative random effects) FALSE FALSE mr_ivw_fe Inverse variance weighted (fixed effects) FALSE FALSE mr_si...
# 9 mr_ivw_radial # 10 mr_ivw_mre # 11 mr_ivw_fe # 12 mr_simple_mode # 13 mr_weighted_mode # 14 mr_weighted_mode_nome # 15 mr_simple_mode_nome # 16 mr_raps # 17 mr_sign # 18 mr_uwr # 省略 如果你要更改方法也是非常简单: ...
plot_radial(c(RadialMR_r,RadialMR_r1)) 结果如下: 随手跑了一个蛋白和疾病没想到这么显著。Effect(1st)是效应值,后面迭代计算2次。 找出具体SNP: which(RadialMR_r$data$Outliers=="Outlier") 后面便可以剔除在计算了。可以直接用上面的再代码跑...
Radial IVW: 估计:逆方差加权(IVW)分析估计显示Effect (1st) 为 -0.4395638。这是该分析对目标变量的估计值。 标准误差:标准误差用于度量估计的不确定性。在此结果中,估计的标准误差为 0.6509977。 t值:t值是用于评估估计值与零假设之间的显著性差异。Effect (1st) 的t值为 -0.6752157。
Theivw_radial()function fits a radial inverse variance weighted (IVW) model using either first order, second order, or modified second order weights. It provides an effect estimate and allows for outliers to be identified using Cochran's Q-statistic. This function now also includes iterative an...
(C) Radial nerve shows a short segment of restricted diffusion proximal and distal to the wrist joint (yellow bracket) suggesting traumatic radial neuropathy. C resolution and image quality improved, but, unlike hard coils, the Flex Coils can accommodate a large spectrum of patients' bodies and ...
mr_ivw_fe.Rd mr_ivw_mre.Rd mr_ivw_radial.Rd mr_leaveoneout.Rd mr_leaveoneout_plot.Rd mr_median.Rd mr_meta_fixed.Rd mr_meta_fixed_simple.Rd mr_meta_random.Rd mr_method_list.Rd mr_mode.Rd mr_moe.Rd mr_penalised_weighted_median.Rd ...